Feeder for book-trimming machines.



J. ROWE. FEEDER FOR BOOK TRIMMING MACHINES.

APPLICATION FILED MAR. 2, 1912,

Patented Nov. 24, 1914.

Lila/765565.-

'HE NORRIS PETERS C0,. PHQTO-LITHQ. WASHINGION. D. C.

J. ROWE. FEEDER EO BOOK TRIMMING MACHINES.

APPLIOATION FILED MAR. 2. 1912.

Patented Nov. 24, 1914.

4 SHEBTSSHEBT 2.

III 7 WW MLI IJEU 1 3: a lull.

THE NORRIS PETERS 60.. PHOTU-LITHQ, WASHINGTON. o. I

J. ROWE. FEEDER FOR BOOK TRIMMING MACHINES.

APPLIGATION FILED MAR. 2. 1912.

Patented Nov. 24, 1914.

4 SHEETS-SHEET 3.

THE IIURRIS PETERS 60.. PHOTO-LITHO.. WASHINGTON, D. c

J. ROWE.

FEEDER FOR BOOK TRIMMING MACHINES.

APPLICATION FILED MAR.2, 1912.

1,1 1 8, 1 52. Patented Nov. 24, 1914.

4 SHEETSSHEET 4.

THE NORRIS PETERS C0,, PHOTO-LITHO. WASHINGTON. D C.

JAMES ROWE, O15 CHICAGO, ILLINOIS.

FEEDER FOB, BO0KTRIMMING MACHINES.

Specification of Letters Patent.

Patented Nov. 24, 1914:.

Application filed March 2, 1912. Serial No. 681,274.

To all whom it may concern:

Be it known that 1, James ROWE, citizen of the United States, residingat Chicago, in the county of Cook and State of Illinois, have inventedcertain new and usefullmprovemcnts in Feeders for Book-Trimmingliiachines; and I do hereby declare the following to be a full, clear,and exact description of the invention, such as will enable othersskilled in the art to which it appertains to make and use the same.

This invention has for its object to provide an automatic feed mechanismparticularly adapted for automatic book trimming machines but which maybe applied to other machines wherein material must be fed to devices forcutting or otherwise acting thereon, and which are sources of danger tothe operators in feeding the same by hand.

The invention consists in the features of construction and combinationsof parts hereinafter fully described and particularly claimed.

In the accompanying drawings illustratin the invention: Figure l is aview in side elevation, partly in section, of feed mechanism embodyingmy invention show ing the connection between the same and the booktrimming machine to which it is attached and of which it is made a part.Fig. -2 is a plan view of the same partly in section. Fig. 3 is acentral vertical longitudinal section of the same. Fig- 1- is a verticaltransverse section of the same, certain parts being omitted. Fig. 5- isa detail view in elevation partly in section showing a rack and gearemployed for actuating the feed mechanism at regular intervals. Fig. (3is a detail central longitudinal section of a clutch employed foractuating a part of the feed mechanism.

As previously stated my device is particularly adapted and intended tofeed books to be trimmed to automatic book trimming machines fortrimming the edges of the book. This is accomplished by means of sharpknives which are a source of danger to operators feeding books to themachines by hand. especiallv when such machines operate relativelyrapidly and require alertness and quick movements on the part of theoperator to time the feed to accord with the timming strokes of thetrimming knlves. A book trlmming machine to which my said feed mechanismis particularly applicable, and for which it has been more particularlydesignated, is fully illustrated and described in Letters'Patent No.1003679 issued September 19, 1911, to Thomas C.

VVelch. The device is also applicable to the machine illustrated anddescribed in the pending application of said Thomas C. v /elch forLetters Patent for improvements in automatic continuous book trimmingmachines, filed February 14, 1910, Serial No. 5 13843. I

The invention may be applied either in the form herein illustrated anddescribed or in a modified form to suit the conditions pertaining inmachines of diflerent characters without departing from the invention asdefined in the appended claims.

The particular object of the invention is to provide means for feedingbooks to the trimming machine which are simple, durable and e'l'licient,andwhich coact with certain parts of the book trimming machine forproperly positioning the books in the latter to be trimmed therein.

In the accompanying drawings 1 indicates the frame of a book trimmingmachine upon which there is mounted the frame 2 in which the trimmingknife for trimming the front edge of a book is movable, the said knifebeing reciprocated by means of the crank pin 3 on the spur gear 4 whichis connected with the knife-carrying member 5 by means of the rod orpitman 6, in a well-known manner. In inserting books to be trimmedunderneath the said trimming knife, as particularly pointed out in theaforesaid Letters Patent, the rear edges of the books are disposed incontact with gages or stops projecting intermittently above the table ofthe frame 1 of the book trimming machine. Generally a relatively smallamount of material is cut from the front edge of the book and hence infeeding the latter into the machine it is almost essential that theoperator must insert his hands in the trimming plane of the knife withconsequent obvious danger to him.

Th, present invention comprises a table upon which the books to betrimmed are adapted to be laid, the same being adapted to rest upon theupper edges of the parallel flanges 7, shown clearly in Fig. 4-, and 7upon which they are advanced at regular lntervals by means of thepro]ect1ons 8 of an intermittently moving carrier comprising thesprocket chains 9 carrying the said projectious 8, and which are trainedover the sprockets 10 on a shaft 11 and sprockets 12 on a shaft 13. Theshaft 11 is journaled at its ends in bearing 14 which are longitudinally movable in guide slots 15 in vertical flanges of the frame of thefeed device and which are adjusted therein to maintain said sprockets 9taut by means of the set screws 16 in a well-known manner. The saidsprockets 9 are disposed parallel with each other and the saidprojections 8 thereof are arranged in pairs, the book engaging faces ofwhich are disposed flush with each other in a plane exactlyperpendicular to the plane of travel of the sprockets and which, duringengagement with the books, are disposed eX- actly perpendicular to theplane of the upper edges of the flanges '7'. The said shaft 13 is journaled in bearings rigid with the frame of the feed device and whichcarries a disk 16 rigid thereon and provided at diametrically oppositepoints with projections or ratchet teeth 1'? which are adapted to beengaged by the pawl 18 pivotally mounted on a spur gear 19 looselydisposed on said shaft 18 and which is maintained normally in peripheralengagement with said disk 16 by means of a spring 20 in the usual andwelhknown manner. -Meshing with said spur gear 19 is a rack 21 movablein a guide 22 pivotally mounted upon said shaft 18, said rack beingconnected at one end with the crank pin 23 on a disk 21 rigidly mountedon a shaft 25 geared suitably to the drive shaft of the book trimmingmachine, and which serves to impart reciprocating movement to said rackat intervals so timed relatively to the trimming strokes of the knivesas to advance the projections 8 of the sprockets 9 at the proper timerelatively to each trimming stroke of the knife for trimming the frontedge of the book to insure a book being placed in proper positionrelatively to said knife to be trimmed.

The reciprocating movement of said rack bar 21 will cause the gear 19 tobe rotated alternately in opposite directions through a given areslightly in XCBSS of one hundred eighty degrees and during eachrevolution in one direction the said pawl 18 will engage one of theteeth 17 of the disk 16 and impart to the latter a half revolutionthereby moving the sprocket chains 9 a distance equal to the distancebetween two contiguous pairs of said projections 8. The said projections8 pass downwardly during travel of that portion of the sprocket chains 9carrying the same over the sprockets 12 on the shaft 13, between thecutting bed 59 of the trimming knife and the contiguous end portion ofthe feed device and become angularly disposed during such travel. It is,therefore, necessary to provide means for advancing the books out ofengagement and out of the path of the said projections 8 and intotrimming relation to the trimming knife by means traveling at greaterspeed than said projections and which serve to advance the books at theproper intervals. To accomplish. this I have provided very simple andeflicient means. These comprise two parallel vertical frames 26 rigidlymounted on the frame of the device and which are provided Withhorizontal guide slots 27 in which the guide members 28 of a plunger 29travel. The said plunger 29 or middle portion of a U-shaped member, thearms of which constitute the said plates or guide members 28, carriesprojections upon which bearings for a rock shaft 30, are disposed. thesaid projections being adjustable 1.'elatively to the plunger 29 toenable the shaft 30 to be set at different distances from the front edgeof the same. On said shaft 30 there are mounted three arms 31 rigidtherewith. and to the free end portions of which there are hinged orpivotally secured fingers which are capable of freely swingingrelatively to said arms 31 in one direction, but are prevented fromrotating relatively to the latter in the opposite direction by means ofprojections 33 on each thereof contiguous to its pivot and which engagesa free end portion of said arm in a well-known manner. The said fingersproj ect at their free ends into the guide grooves or recesses 3 1between and contiguous to the said flanges 7 upon which the books areadapted to travel. Each of said members 26 carries a rack bar 85 withwhich spur gears 36 on a shaft 37 mesh, the said rack bars 35 beingrigid with said members 26 and the frame of the feed device. Contiguousto said rack bars and partly overhanging the same are guide members 40in which the said spur gears 36 and their hubs are :fa'laptcd to travel.The shaft 87 is journaled in the bearings 31 carried by the plunger 29and in traveling over the said. rack bars with which they mesh when saidplunger is reciprocated, the said spur gears will obviously serve torotate said shaft. Rigidly mounted on the latter between its ends is adisk 42 which is provided on its opposite faces with raw hide or similarfrictional facings The hub of said disk 42 is relatively long androtatably mounted thereon is a disk si l having an annular flange 15which overhangs the peripheral edge of the disk 12 and which is tappedin its vertical face at regular intervals to receive set screws -16. Thelatter pass through openings in a disk 47 also rotatably mounted on thehub of said disk 41-2 on the opposite side of the latter from thatcarrying said member or disk ll. lietween the heads of said set screwsl6 and the bottoms of recesses 48 in said disk 17 concentrio with theopenings through which the shanks of said set screws 46 pass, helicalcompression springs 49 are disposed which serve to compress the disks Mand 47 against the opposite faces of the disk 42, thus obtaining africtional hold on the latter whereby relative rotation of said disks4:2 and 4H7 is obviously resisted but not prevented. The said disk 4L7is provided with a tapped boss 50 adapted to receive the threaded end ofa crank pin by means of which one end of a link 51 is pivotally securedto said disk 47, said crank being pivotally connected at its other endwith an arm 52 rigidly mounted on the shaft 30 carrying the said arms 31which in turn carry the fingers 32 before referred to.

Mounted on the shaft 25 of the book trimming machine is a spur gear 53which carries a crank pin 5 1 to which one end of a pitman 55 ispivotally secured, the other end of said pitman being pivotally securedto a lever between the ends of the latter. The said lever 56 ispivotally secured at its lower end to the bed plate of the machine andat its upper end is pivotally secured to one end of a link 57 which atits other end is connected with one of said guide members 28 of theplunger 29. Two of said levers 56 are provided which are disposedparallel with each other and are connected together by means of asuitable cross-bar secured thereto by means of the bolts 58. By means ofsaid levers 56 and other parts just above described the said plunger 29is reciprocated at considerably greater speed than the speed of travelof the sprocket chains 9, as will be apparent.

The table of the feed device supporting the books during travel mustnormally be so disposed relatively to the cutting bed 59 of the trimmingknife as to permit the paper trimmed from the front edge of the book tofall away from said bed, but, at the same time, in order that the booksmay be fed so as to pass over said cutting bed 59 and against the stopsor gages determining their position relatively to the trimming plane,said table must extend relatively closely or contiguous to the cuttingbed 59, as will be obvious. In order, therefore, that the book may beproperly fed and yet sufficient room left for getting rid of theshavings, the book supporting surface of the feed device includes areciprocably movable part comprising two members 60 mounted in guides 61underneath the outer grooves 34 in which the lower ends of the fingers31 travel, said guides being rectangular and having longitudinal slots62 in their lower walls through which the projections (33 of saidmembers 60 project. The said projections 63 are connected by means oflinks 6% with the longer ends of the levers 65 rigidly mounted betweentheir ends on a rock shaft 66 and one of which is pivotally connected atits other or shorter endwith the pitman 67. The latter is equipped atitsother end with an anti-friction roller 68 which travels in a. cam groovein that face of the disk 24 opposite to the one carrying the crank pin23, said pitman being adapted to be reciprocated at intervals by saidcam to move the said members 60 forward and back at proper intervals forfeeding the books and thereafter getting out of theway of the fallingshavings trimmed therefrom.

g The disk 44 is provided with a peripheral recess 69 extending throughan are slightly greater than one hundred eighty degrees and into which apin 7 O on the plunger 29 projects, said pin being adapted to limit therotation of said disk 44 in either direction.

The operation of the device is as follows: The books are placed upon thetable or supporting flanges 7 thereof in front of the sev-, eral pairsof projections 8 of the carrier consecutively, and, as said projectionsare at intervals moved forward, the books are gradually advanced so thattheir front edges are disposed substantially in vertical alinement withthe shaft 13. At this time the plunger 29 is disposed at the rearwardlimit of its movement and the fingers 32 are raised out of the path ofthe books. Simultaneously with the travel of said projections 8 to theforward limit of their movement while vertically disposed, the plunger29 begins its forward movement and such movement causes the gears 36meshing with the racks 35 to rotate the shaft 37 and the disk 412mounted thereon; the latter by its frictional contact with the disks 4 1and 47 also rotates these disks thereby causing the crank pin on thedisk 47 to which the link 51 is secured to move to the position shown inFig. -3. This causes the shaft 30 to be rocked to throw the arms 31 tosubstantially horizontal positionwhereby the fingers 32 are thrown sothat the lower ends thereof travel in the grooves or recesses 34. Thedisks 4A and 47 are p rcvented from rotating further by engagement ofthe pin 70 with the shoulder at one end of the groove 69 in the disk 44%so that further forward movement of the plunger 29 merely serves to keepthe link 51 and the parts connected therewith in the position shown in.Fig. 3 during the balance of the forward stroke of said plunger. One ofthe said fingers 32 passes between two of the foremost projections 8 andthe other two fingers 32 pass on either side outwardly thereof. and thethree fingers, moving much more rapidly than the sprockets 9 andprojections 8, and continuing to move when the latter have come to astop at the lastnamed point, will move the books entirely out of thepath of said projections 8 and onto the cutting bed of the trimmingknife 1 5. During the for'*ard movement of the fingers 32 the members 60of the supporting bed are also moving forward and attaining andretaining the position shown in F --3 until the book has been placed inpo sition against the stops on the book trim ming machine whereupon saidmemlT-rs 6O recede as does also the plunger Upon begining its rearwardstroke the plunger 29 causes the gears to again rotate the shaft 37 anddisk and thereby the disks 4% and 47 so that during the first halfrevolution of the gear the crank pin to which the link 51 is securedwill move rearwardly through an arc of one hundred eighty degrees thereby again throwing the shaft 30 and raising the arms 31 and fingers sothat the latter pass freely over the books and become positioned behindthe next advancing book or book pad whereupon the aforesaid operation isrepeated. I

The fingers are free to rotate on their pivots during the rearwardmovement of the plunger 29 so that in the event that the frictionalcontact between the disk and the disks as and at? shall be insufficient,from any cause, to raise the arms 31 and fingers 32, the latter mayfreely ride over a book pad and become positioned behind it preparatoryto advancing the same upon the cutting bed of the trimming knife. I

As the plunger 60 moves forward and away from the rigid support for thebooks a free space will obviously be left between the latter and therear end of said plunger which is spanned by the bridge plates 71secured at one end to the rigid book support and resting at their otherends on said plunger.

The device is very simple and eiiicient, and renders perfectly safe theoperation of the book trimming machine at a speed which would beextremely dangerous to the operators were the same fed by hand.

I claim as my invention:

1. A feeder for book trimming machines comprising a supporting memberfor the books, means operating at intervals to move the same on saidsupporting member and into a trimming plane and stops disposed in thepath of said books and enacting With said book moving means fordetermining the position of the book relatively to the trimming plane.

2. A feeder for book trimming machines comprising a supporting memberfor the books disposed substantially in the plane of the cutting bed ofa trimming knife of said machine, means operating at intervals forprojecting the books from said supporting member upon the said cuttingbed and stops disposed in the path of said. books and coacting with saidbook-moving means for determining the position of the book relatively tothe trimming plane.

3. A feeder for book trimming machines comprising a rigid sup iiortingmember for the books having its supporting surface disposedsubstantially in the plane of the cutting bed of a trimming knife ofsaid ma.- chine, a reciprocable supporting member for the books, andmeans operating at intervals for projecting the books from said rigidsupporting member upon and over said reciproeable supporting member andupon the said cutting bed.

i, A feeder for book trimming machines comprising a rigit supportingmember for the books having its supporting surface disposedsubstantially in the plane of the cutting bed of a trimming knife ofsaid machine, a reciprocable supporting member for the books disposedbetween said rigid supporting member and said cutting bed, means forimparting reciprocatory movement to said reciprooable supporting memberat regular intervals toward and from said cutting bed, and meansoperating at intervals corresponding to the intervals of movement ofsaid reciprocable member toward said cutting bed for projecting booksfrom said rigid member upon and over said reciprocable supporting memberand upon the said cutting bed.

5. A feeder for book trimming machines comprising a rigid supportingmember for the books having its supporting surface di posed substantialyin the plane of the cutting bed of a trimming kn of said machine, areciprocable supportii'lg member for the books disposed between saidrigid sup porting member and said cutting bed, means for impartingreciprocatory movement to said reciprocable supporting member at regularintervals toward and from said cutting bed, and reciprocable meansmoving substantially in unison with said reciprocable supporting memberfor projecting the books from said rigid member upon and over saidreciprocable supporting member and upon said cutting bed.

6. A feeder for book trimming machines comprising a rigid supportingmember for the books having its supporting surface disposedsubstantially in the plane of the cutting bed of a trimming knife ofsaid machine, a. reciprocable supporting member for the books disposedbetween said rigid supporting member and said cutting bed, means forimparting reciprocatory movement to said reciprocable supporting memberat regular inte vals toward and from said cutting bed, and reciprocablemeans moving substantially in unison with said reciprocable supportingmember and at greater speed and having a longer stroke for projectingthe books from said rigid member upon and over said reciprocablesupporting member and upon said cutting bed.

7. In a book trimming machine having a cutting bed, a rigid supportingmember for books having its book supporting surface disposedsubstantially on a level with said cutting bed, a reciprocable booksupporting member disposed between said rigid member and said cuttingbed, traveling means for moving the books on said rigid member towardsaid cutting bed, and reciprocable means adapted to engage the books toproject the same from a given point on said rigid member upon and oversaid reciprocable member and upon said cutting bed.

8. In a book trimming machine having a cutting bed, a rigid supportingmember for books having its book. supporting surface disposedsubstantially on a level with said cutting bed, a reciprocable booksupporting member disposed between said rigid member and said cuttingbed, traveling means for moving the books on said rigid member towardsaid cutting bed, reciprocable means adapted to engage the books toproject the same from a given point on said rigid member upon and oversaid reciprocable memher and upon said cutting bed, and means wherebymovement in the same direction is imparted substantially simultaneouslyto said reciprocable means and said reciprocable member at differentspeeds.

9. In a book trimming machine having a cutting bed, a rigid supportingmember for books having its book supporting surface disposedsubstantially on a level with said cutting bed, traveling means formoving the books on said rigid member toward said cutting bed. andreciprocable means adapted to engage the books to projectthe same from agiven point on said rigid member upon said cutting bed.

10. In a book trimming machine having a cutting bed, a table having abook supporting surface disposed substantially level with said cuttingbed, traveling means for engaging books supported on said table formoving the same toward said cutting bed, and reciprocable means movingat greater speed than said traveling means for projecting the books froma given point on said table upon said cutting bed and out of engagingrelation to said traveling means.

11. In a book trimmingmachine having a cutting bed, a table having abook supporting surface disposed substantially level with said cuttingbed, traveling means for engaging books supported on said table formoving the sametoward said cutting bed, reciprocable means moving atgreater speed than said traveling means for projecting the books from agiven point on said table upon said cutting bed and out of engagingrelation to said traveling means, and a reciprocable book supportingmember disposed between said table and said cutting bed and acting toextend the book supporting surface to a point contiguous to the cuttingbed during projection of the books by said reciprocable means.

12. In a book trimming machine having a cutting bed, traveling means foradvancing books toward said cutting bed, reciprocable means forprojecting said books out of engaging relation to the said travelingmeans and upon said cutting bed and stops disposed in the path of saidbooks and coacting with said book-moving means for determin ing theposition of the book relatively to the trimming plane.

13. In a book trimming'machine having a cutting bed, traveling meansfor, advancing books toward said cutting bed, and a plurality ofreciprocable devices for projecting said books out of engaging relationto the said traveling means and upon said cutting bed. I a c 14:. In abook trimming machine having a cutting bed, a supporting surface forbooks disposed substantially level with said cutting bed, andreciprocable book engaging means movable in a direction parallel withthe book-supporting surface for projecting the books from saidsupporting surface upon said cutting bed. i I

15. In a book trimming machine having a cutting bed, a supportingsurface for books disposed substantially level with said cutting bed, areciprocable book supporting member interposed'between said surface andthe cutting'bed, and reciprocable book engaging means coacting with saidreciprocable supporting member for projecting the books upon and overthe latter and upon said cutting bed.

16. In a book trimming machine having a cutting bed, a supportingsurface for books disposed substantially level with said cutting bed, areciprocable carriage disposed above said supporting surface andtraveling in a plane parallel therewith, means for im partingreciprocating movement to said carriage at intervals, a rotatable memberon said carriage, a rocking member frictionally engaged therewith, bookengaging members on said rocking member adapted to be thrown into andout of engaging relation to books on said supporting surface as saidcarriage moves in respectively opposite directions, and means forrotating said rotatable member as said carriage is reciprocated.

17; In a book trimming machine having a cutting bed, a supportingsurface for books disposed substantially level with said cutting bed, areciprocable carriage disposed above said supporting surface andtraveling in a plane parallel therewith, means for impartingreciprocating movement to said carr-iage at intervals, a rotatablemember on said carriage, a spur gear rigid therewith, a rack on theframe of the machine meshing with said gearand adapted to cause same torotate in alternately opposite directions as said carriage isreciprocated, a rocking member frictionally engaged with said rotatablemember, means for limiting the movements of said rocking member inopposite directions, and means carried by said rocking member adapted tobe alternately thrown into and out of engaging relation to booksdisposed on said supporting surface as said carriage moves inrespectively opposite directions.

18. In a book trimming machine having a cutting bed, a supportingsurface for books disposed substantially level with said cutting bed, areciprocablecarriage disposed above said supportin surface and travelingin a plane parallel therewith, means for imparting reciprocatingmovement to said carriage at intervals, a rotatable member on saidcarriage, a rocking member frictionally engaged therewith, book engagingmembers on said rocking member adapted to be thrown into and out ofengaging relation to books on said supporting surface as said carriagemoves in respectively opposite directions, means for rotating saidrotatable member as said carriage is reciprocated, and means whereby thebooks are successively advanced to a point between the limits ofmovement of said carriage.

19. In a book trimming machine having a cutting bed, a, supportingsurface for books disposed substantially level with said cutting bed, areciprocable carriage disposed above said supporting surface andtraveling in a. plane parallel therewith, means for impartingreciprocating movement to said carriage at intervals, a rotatable memberon said carriage, a spur gear rigid therewith, a rack on the frame ofthe machine meshing with said gear and adapted to cause same to rotatein alternately opposite directions as said carriage is reciprocated, arocking member frictionally engaged with said ro tatable member, meansfor limiting the movements of said rocking member in oppositedirections, means carried by said rocking member adapted to bealternately thrown into and out of engaging relation to books disposedon said supporting surface as said carriage moves in respectivelyopposite directions, and means whereby the books are successivelyadvanced into the path of said last-named means for engagement andprojection thereby upon said cutting bed.

20. In a book trimming machine having a cutting bed, a supportingsurface for books disposed substantially level with said out- Copies 0:this patent may be obtained for ting bed, a reciprocable carriagedisposed above said supporting surface and traveling in a plane paralleltherewith, means for imparting reciprocating movement to said carriageat intervals, a rotatable member on said carriage, a rocking memberfrictionally engaged therewith, book engaging members on said rockingmember adapted to be thrown into and out of engaging relation to bookson said supporting surface as said carriage moves in respectivelyopposite directions, means for rotating said rotatable member as saidcarriage is reciprocated, means whereby the books are successivelyadvanced to a point between the limits of movement of said carriage, anda reciprocable book supporting member disposed between said cutting bedand said supporting surface and moving toward the former simultaneouslywith the movement of said carriage in the same direction.

21. in a book trimming machine having a cutting bed, a supportingsurface forbooks disposed substantially level with said cutting bed, alTQCiPY-OCablG carriage disposed above said supporting surface andtraveling in plane paralled therewith, means for imparting reciprocatingmoven'icnt to said carriage at intervals, a rotatable mom-- her on saidcarriage, a spur gear rigid therewith, a rack on the frame of themachine meshing with said gear and adapted to cause same to rotate inalternately opposite directions as said carriage is reciprocated, arocking member frictionally engaged with said rotatable member, meansfor limiting the movements of said rocking member in oppositedirections, means carried by said rocking member adapted to bealternately thrown into and out of engaging relation to books disposedon said supporting surface as said carriage moves in respectivelyopposite directions, means whereby the books are successively advancedinto the path of said last-named means for engagement and projectionthereby upon said cutting bed, and a reciprocable book supporting memberdisposed between said cutting bed and said supporting surface and movingtoward the former simultaneously with the movement of said carriage inthe same direction.

In testimony whereof I have signed my name in presence of twosubscribing witnesses.

JAMES ROWE. Witnesses Renown VVM. Lorz, M. M. BoYLE.

five cents each. by addressing the Commissioner of Patents, Washington,D. G.

